running a rpm compare.

directory

$ ls
bc-1.06-1rt.x86_64.rpm         bc-1.06-21.x86_64.rpm
bc-1.06-1rt.x86_64.rpm.output  bc-1.06-21.x86_64.rpm.output

output

$ cat *.output
/usr/local/bin/bc:
        linux-vdso.so.1 =>  (0x00007fff93311000)
        libc.so.6 => /lib64/libc.so.6 (0x00007f608ec67000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f608efbf000)
/usr/local/bin/dc:
        linux-vdso.so.1 =>  (0x00007fff7b3ff000)
        libc.so.6 => /lib64/libc.so.6 (0x00007f7605daf000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f7606107000)
/usr/bin/bc:
        linux-vdso.so.1 =>  (0x00007fff8a7ff000)
        libreadline.so.5 => /usr/lib64/libreadline.so.5 (0x00007f0454b9b000)
        libtermcap.so.2 => /lib64/libtermcap.so.2 (0x00007f0454998000)
        libc.so.6 => /lib64/libc.so.6 (0x00007f0454640000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f0454dd8000)
/usr/bin/dc:
        linux-vdso.so.1 =>  (0x00007fff685b0000)
        libc.so.6 => /lib64/libc.so.6 (0x00007f6119aaf000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f6119e07000)

output clean

$ cat *.output | cut -f 1 -d ' '
/usr/local/bin/bc:
        linux-vdso.so.1
        libc.so.6
        /lib64/ld-linux-x86-64.so.2
/usr/local/bin/dc:
        linux-vdso.so.1
        libc.so.6
        /lib64/ld-linux-x86-64.so.2
/usr/bin/bc:
        linux-vdso.so.1
        libreadline.so.5
        libtermcap.so.2
        libc.so.6
        /lib64/ld-linux-x86-64.so.2
/usr/bin/dc:
        linux-vdso.so.1
        libc.so.6
        /lib64/ld-linux-x86-64.so.2

outputclean

$ cat *.output | cut -f 1 -d ' '
/usr/local/bin/bc:
        linux-vdso.so.1
        libc.so.6
        /lib64/ld-linux-x86-64.so.2
/usr/local/bin/dc:
        linux-vdso.so.1
        libc.so.6
        /lib64/ld-linux-x86-64.so.2
/usr/bin/bc:
        linux-vdso.so.1
        libreadline.so.5
        libtermcap.so.2
        libc.so.6
        /lib64/ld-linux-x86-64.so.2
/usr/bin/dc:
        linux-vdso.so.1
        libc.so.6
        /lib64/ld-linux-x86-64.so.2

shell

for i in *.rpm;
do 
  mock --install $i;
  mock --chroot 'rpm -ql bc | xargs file | grep executable | cut -f 1 -d ':' | xargs ldd' 2>/dev/null > ${i}.output;
  mock --chroot 'rpm -e bc';
done